X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Fcsb226%2Fcsb226.c;h=80caf8b464e17e5bda816760a9248a799845454b;hb=e3edcb36f14f0aabb6f50e96014d6877f73d64ea;hp=1335fd77bf11d40992f1378c284dd5b233704b9e;hpb=f2d42945ede6b042e08c3815e5bad30bbc47cf06;p=oweals%2Fu-boot.git diff --git a/board/csb226/csb226.c b/board/csb226/csb226.c index 1335fd77bf..80caf8b464 100644 --- a/board/csb226/csb226.c +++ b/board/csb226/csb226.c @@ -24,23 +24,54 @@ */ #include +#include -/* ------------------------------------------------------------------------- */ +DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif -/* - * Miscelaneous platform dependent initialisations +/** + * misc_init_r: - misc initialisation routines */ -int board_init (void) +int misc_init_r(void) { - DECLARE_GLOBAL_DATA_PTR; +#if 0 + uchar *str; + + /* determine if the software update key is pressed during startup */ + /* not ported yet... */ + if (GPLR0 & 0x00000800) { + printf("using bootcmd_normal (sw-update button not pressed)\n"); + str = getenv("bootcmd_normal"); + } else { + printf("using bootcmd_update (sw-update button pressed)\n"); + str = getenv("bootcmd_update"); + } + + setenv("bootcmd",str); +#endif + return 0; +} + + +/** + * board_init: - setup some data structures + * + * @return: 0 in case of success + */ +int board_init (void) +{ /* memory and cpu-speed are setup before relocation */ /* so we do _nothing_ here */ /* arch number of CSB226 board */ - gd->bd->bi_arch_number = 0; /* FIXME */ + gd->bd->bi_arch_number = MACH_TYPE_CSB226; /* adress of boot parameters */ gd->bd->bi_boot_params = 0xa0000100; @@ -48,12 +79,75 @@ int board_init (void) return 0; } + +/** + * dram_init: - setup dynamic RAM + * + * @return: 0 in case of success + */ + int dram_init (void) { - DECLARE_GLOBAL_DATA_PTR; - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return 0; } + + +/** + * csb226_set_led: - switch LEDs on or off + * + * @param led: LED to switch (0,1,2) + * @param state: switch on (1) or off (0) + */ + +void csb226_set_led(int led, int state) +{ + switch(led) { + + case 0: if (state==1) { + GPCR0 |= CSB226_USER_LED0; + } else if (state==0) { + GPSR0 |= CSB226_USER_LED0; + } + break; + + case 1: if (state==1) { + GPCR0 |= CSB226_USER_LED1; + } else if (state==0) { + GPSR0 |= CSB226_USER_LED1; + } + break; + + case 2: if (state==1) { + GPCR0 |= CSB226_USER_LED2; + } else if (state==0) { + GPSR0 |= CSB226_USER_LED2; + } + break; + } + + return; +} + + +/** + * show_boot_progress: - indicate state of the boot process + * + * @param status: Status number - see README for details. + * + * The CSB226 does only have 3 LEDs, so we switch them on at the most + * important states (1, 5, 15). + */ + +void show_boot_progress (int status) +{ + switch(status) { + case 1: csb226_set_led(0,1); break; + case 5: csb226_set_led(1,1); break; + case 15: csb226_set_led(2,1); break; + } + + return; +}